• P L Henneman, F DeRoos, and R J Lewis.
• Department of Emergency Medicine, Harbor-UCLA Medical Center, Torrance.
• Ann Emerg Med. 1994 Dec 1; 24 (6): 1108-14.

Study ObjectivesTo determine which adult patients with new-onset seizures require admission and whether those who require admission can be identified in the emergency department.DesignRetrospective chart review of patients seen during a 5-year period.SettingUrban county teaching hospital in southern California.ParticipantsThree hundred thirty-three adult patients with new-onset seizures. Patients were excluded if they had acute head trauma, hypoglycemia from diabetic therapy, or alcohol- or recreational drug-related seizures.InterventionsStandardized medical evaluation including physical examination, CBC, SMA-7 (electrolytes, blood urea nitrogen, creatinine, glucose), calcium, cranial computed tomography (CT), lumbar puncture if indicated, and admission to the hospital.ResultsForty-six percent of patients (136 of 294) admitted to our hospital required admission as judged by a retrospective evaluation of the ED and hospital course. The numbers of patients who had a clinically significant result with each part of the evaluation were: physical examination, 75 of 333 (23%); CBC, 25 of 319 (8%); SMA-7, 21 of 329 (6%); calcium, 2 of 208 (1%); CT, 134 of 325 (41%); and lumbar puncture, 19 of 227 (8%). Ninety-five percent of patients requiring admission (129 of 136) were detected by the standardized medical evaluation.ConclusionOne half of patients with new-onset seizures require admission. Patients with new-onset seizures who require admission can usually be detected by a standardized medical evaluation in the ED.

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